“over the next 3 to 5 years I think the biggest question that’s on everyone’s minds is, that will determine our performance over that period, is really going to be how well we do with mobile… …I basically live on my mobile device. Do you want to hear something kind of funny? Do you know the founders letter on my S1? I wrote that on my phone… …i do everything on my phone as a lot of people do”

Mark Zuckerberg in a fireside chat with Michael Arrington at TechCrunch Disrupt 2012

Of course Facebook have no excuse for being caught out on this (long before their IPO they’d announced that the majority of their visitors were accessing their website via mobile) but make sure you don’t get caught out by reading Tomi Ahonen’s Mobile Forecast 2012-15 eBook.

Tomi’s book “m-Profits: Making Money from 3G Services” published in 2002 (before Mark Zuckerberg wrote the Facebook predecessor Facemash) not only predicted the Facebook opportunity but also the much bigger mobile opportunities that are now top of mind for the world’s youngest self made billionaire.